Nail artist Miss Pop shares some surprising new uses for your polish.

When air hits the metal of your new ring, the metal may oxidize and change color. Clear lacquer locks out air, which can help your costume jewelry looking like new. Try your favorite clear nail polish but note that this will not work on already-tarnished accessories.

2. Stop a run in your stockings from getting worse.

Kathleen Kamphausen

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We've all been there: You're at work and notice you have an unsightly run in your tights. To keep the tear from getting worse, keep a bottle of clear nail polish with you to paint over the tear. As it hardens, the polish will help stop the run in its tracks.

3. Thread a needle faster.

Kathleen Kamphausen

If you drag frayed thread through a nail polish brush a few times, the polish will harden the thread and allow you to slip it right through a needle's eye with ease.

4. Organize your keys.

Kathleen Kamphausen

Color-code your keys with nail polish as an easy way to remember which key goes with which lock. The rainbow of colors makes your keychain look that much prettier, and a coat of polish won't interfere with your key slipping into the key hole.

5. Seal envelopes.

Kathleen Kamphausen

If you hate licking envelopes, seal them by painting the underside of the flap (where you would normally lick it) with clear polish.

6. Save scuffed up shoes.

Kathleen Kamphausen

It can be hard to find polish for colorful shoes, so try finding a nail polish that matches instead. Use this polish to paint over scuffs and tears, but put the hue on your nail first to make sure it's a close-enough match to your shoes.